Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9HB callsign genealogy
Currently held by MICHAEL, JONATHAN E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AD9HB's current licensee, walking backwards.
- MICHAEL, JONATHAN EINgranted 2025-04-29cancelled 2025-07-28
Successor callsigns
Callsigns held now by people who previously held AD9HB.
- MICHAEL, JONATHAN EINgranted 2025-08-16